The best way may be is going over the notes on the chapter you were doing. Or going over the chapter once or twice.
Answer A. If the tectonic plates continually move then they change earth’s crust constantly.
Answer:
Ecological and ethological approaches to the study of behaviour. The natural history approach of Darwin and his predecessors gradually evolved into the twin sciences of animal ecology, the study of the interactions between an animal and its environment, and ethology, the biological study of animal behaviour.
